Finding the Fourth Proportional to 239,133.62, 329,979.98 and 147,238.31
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Solution
The fourth proportional to 239,133.62, 329,979.98 and 147,238.31 is: 203,173.83
Step by Step Solution
- Step 1: Write the proportion equation
239,133.62 : 329,979.98 = 147,238.31 : x - Step 2: Convert to fraction form
239,133.62/329,979.98 = 147,238.31/x - Step 3: Cross multiply
239,133.62x = 329,979.98 × 147,238.31 - Step 4: Simplify right side
239,133.62x = 48,585,694,589.03 - Step 5: Solve for x
x = 48,585,694,589.03/239,133.62 - Step 6: Final answer
x = 203,173.83
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.